If you’re looking to upgrade your home’s heating and cooling system, ductless heat pump mini splits offer a versatile, energy-efficient solution. These systems provide both heating and cooling without the need for ductwork, making them ideal for new installations, room additions, or energy-efficient retrofits. Below is a summary table of top products on Amazon to help you navigate the best ductless mini splits based on capacity, installation ease, and energy ratings.
Product | BTU Capacity | Energy Efficiency | Coverage Area | Key Feature |
---|---|---|---|---|
MRCOOL Easy Pro 24,000 BTU | 24,000 BTU | Quiet, Efficient | Up to 1,050 sq ft | DIY 5th Gen with WiFi Control |
MRCOOL DIY 36,000 BTU 18 SEER2 | 36,000 BTU | 18 SEER2 | 1,050–1,550 sq ft | Quick Connect Line, Easy DIY |
MRCOOL 18,000 BTU 230V | 18,000 BTU | Standard | Up to 750 sq ft | Requires Professional Installation |
MrCool Easy Pro 9k BTU 20.2 SEER2 | 9,000 BTU | 20.2 SEER2 | Under 500 to 1,200 sq ft | Gold Fin Condenser, DIY |
COSTWAY 18k Dual 2 Zone Mini Split | 18,000 BTU (Dual Zone) | 22 SEER2 | Multi-room | WiFi Enabled, Multi-zone |
MRCOOL Easy Pro 24,000 BTU Ductless Mini-Split

The MRCOOL Easy Pro 24,000 BTU is engineered for efficient temperature control in spaces up to 1,050 sq ft. The system combines quiet and energy-efficient operation with user-friendly features. It supports DIY installation owing to its pre-charged refrigerant lines, saving both time and installation costs. Constructed with modern inverter technology, it maintains comfort levels with minimal power usage. Additionally, it features smart WiFi control allowing remote temperature management, making it suitable for homeowners seeking convenience alongside power efficiency.
MRCOOL DIY-36-HP-WM-230D25O 36,000 BTU 18 SEER2

This 36,000 BTU ductless mini-split from MRCOOL is designed for heating and cooling larger rooms between 1,050 and 1,550 sq ft. It boasts an excellent 18 SEER2 efficiency rating and an 8.5 HSPF rating, promoting energy savings year-round. The pre-charged R-454B line set with quick connect fittings allows for straightforward DIY setup without specialized tools. This system is well-suited for those needing a powerful and efficient climate control solution with minimum installation hassle.
MRCOOL 18,000-BTU 230V Ductless Mini Split Air Conditioner & Heat Pump

The MRCOOL 18,000-BTU 230V ductless mini-split is ideal for smaller rooms up to 750 sq ft. It provides both heating and cooling in one compact system. Unlike DIY variants, this model requires professional installation by licensed HVAC technicians due to its design and refrigerant handling needs. It offers reliable temperature control and versatility, making it a solid choice for retrofits or spaces requiring expert setup for optimal performance.
MrCool Easy Pro 9k BTU 20.2 SEER2 Ductless Heat Pump

The MrCool Easy Pro 9k BTU system targets smaller rooms from under 500 sq ft to 1,200 sq ft with efficient heating and cooling. Its 20.2 SEER2 rating highlights superior energy performance, complemented by an 11.2 HSPF2 heating efficiency. Featuring durable Gold Fin condenser coating, it resists corrosion and rust, ensuring longevity and consistent heat transfer. Its DIY installation process includes a 16ft pre-charged lineset, making it a convenient option for smaller spaces.
COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner

The COSTWAY 18k Dual 2 Zone Mini Split features dual-zone cooling so you can independently control two rooms with 9,000 BTU and 12,000 BTU capacities. Certified with an outstanding 22 SEER2 energy rating, it uses R32 refrigerant for a greener footprint. The system’s smart inverter technology ensures quiet, efficient operation, with heating capability to maintain outdoor unit performance even in extreme temperatures. With multiple modes and fan speeds, this ductless heat pump supports personalized climate control in multi-room installations.
Buying Guide For Ductless Heat Pump Mini Splits
Heating and Cooling Capacity (BTU)
Choose a mini-split with appropriate BTU capacity for the room size. Undersized units struggle to maintain comfort, while oversized units cycle excessively, reducing efficiency. Common coverage ranges are 500 to 1,550 sq ft depending on model and BTU ratings.
Energy Efficiency Ratings
Look for units with high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Higher numbers mean better electricity usage for cooling (SEER) and heating (HSPF). Systems rated 18 SEER or above deliver noticeable savings.
Installation Type
Some mini splits like MRCOOL Easy Pro series feature DIY-friendly quick connect lines, reducing installation costs. Others require professional HVAC installation. Consider your ability, available tools, and local regulations when selecting the unit.
Multi-Zone Capability
If you need to heat or cool multiple rooms independently, multi-zone ductless splits with dual or triple-zone controllers offer flexibility and can reduce total unit count.
Control Features
WiFi-enabled or smart home compatible units provide remote control and scheduling, enhancing convenience and potential energy savings.
Durability and Warranty
Look for corrosion-resistant coatings like Gold Fin condensers and reliable warranties to ensure long-term durability and support.
Refrigerant Type
Modern systems use environmentally friendly refrigerants such as R-454B or R32 which have lower global warming potential (GWP) than older refrigerants, helping reduce environmental impact.